| |||
| частотный квадрат | |||
|
frequency square : 4 phrases in 4 subjects |
| Combustion gas turbines | 1 |
| Geophysics | 1 |
| Information technology | 1 |
| Technology | 1 |
| |||
| частотный квадрат | |||
|
frequency square : 4 phrases in 4 subjects |
| Combustion gas turbines | 1 |
| Geophysics | 1 |
| Information technology | 1 |
| Technology | 1 |